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Imagick::contrastStretchImage> <Imagick::__construct
Last updated: Fri, 22 Aug 2008

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Imagick::contrastImage

(No version information available, might be only in CVS)

Imagick::contrastImageChange the contrast of the image

Description

bool Imagick::contrastImage ( bool $sharpen )
Warning

This function is currently not documented; only its argument list is available.

Enhances the intensity differences between the lighter and darker elements of the image. Set sharpen to a value other than 0 to increase the image contrast otherwise the contrast is reduced.

Parameters

sharpen

The sharpen value

Return Values

Returns TRUE on success.

Errors/Exceptions

Throws ImagickException on error.



add a note add a note User Contributed Notes
Imagick::contrastImage
goekar at msn dot com
08-Aug-2007 02:33
<?
$image
= new Imagick('test.jpg'); // open image file
$image->contrastImage(9); // 0 - 9
$image->writeImage('test2.jpg'); //save image
?>

Imagick::contrastStretchImage> <Imagick::__construct
Last updated: Fri, 22 Aug 2008
 
 
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